X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/03e39e592311fd327ea516d31567557830634c86..bebdca4bf63ae661c60bc1e0f4e03e6bbb7a7cc5:/apt-pkg/acquire-item.h diff --git a/apt-pkg/acquire-item.h b/apt-pkg/acquire-item.h index 2de1e409e..3079c68ef 100644 --- a/apt-pkg/acquire-item.h +++ b/apt-pkg/acquire-item.h @@ -1,17 +1,20 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: acquire-item.h,v 1.8 1998/11/13 04:23:28 jgg Exp $ +// $Id: acquire-item.h,v 1.19 1999/04/11 21:23:09 jgg Exp $ /* ###################################################################### Acquire Item - Item to acquire When an item is instantiated it will add it self to the local list in the Owner Acquire class. Derived classes will then call QueueURI to - register all the URI's they wish to fetch for at the initial moment. + register all the URI's they wish to fetch at the initial moment. Two item classes are provided to provide functionality for downloading of Index files and downloading of Packages. + A Archive class is provided for downloading .deb files. It does Md5 + checking and source location as well as a retry algorithm. + ##################################################################### */ /*}}}*/ #ifndef PKGLIB_ACQUIRE_ITEM_H @@ -30,10 +33,13 @@ class pkgAcquire::Item { protected: + // Some private helper methods for registering URIs pkgAcquire *Owner; inline void QueueURI(ItemDesc &Item) {Owner->Enqueue(Item);}; + inline void Dequeue() {Owner->Dequeue(this);}; + // Safe rename function with timestamp preservation void Rename(string From,string To); public: @@ -42,22 +48,28 @@ class pkgAcquire::Item enum {StatIdle, StatFetching, StatDone, StatError} Status; string ErrorText; unsigned long FileSize; + unsigned long PartialSize; char *Mode; unsigned long ID; bool Complete; - + bool Local; + // Number of queues we are inserted into unsigned int QueueCounter; // File to write the fetch into string DestFile; - - virtual void Failed(string Message); + + // Action members invoked by the worker + virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf); virtual void Done(string Message,unsigned long Size,string Md5Hash); virtual void Start(string Message,unsigned long Size); - virtual string Custom600Headers() {return string();}; - + virtual string DescURI() = 0; + + // Inquire functions + virtual string MD5Sum() {return string();}; + Item(pkgAcquire *Owner); virtual ~Item(); }; @@ -74,8 +86,10 @@ class pkgAcqIndex : public pkgAcquire::Item public: + // Specialized action members virtual void Done(string Message,unsigned long Size,string Md5Hash); virtual string Custom600Headers(); + virtual string DescURI() {return Location->PackagesURI();}; pkgAcqIndex(pkgAcquire *Owner,const pkgSourceList::Item *Location); }; @@ -90,8 +104,11 @@ class pkgAcqIndexRel : public pkgAcquire::Item public: + // Specialized action members + virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf); virtual void Done(string Message,unsigned long Size,string Md5Hash); virtual string Custom600Headers(); + virtual string DescURI() {return Location->ReleaseURI();}; pkgAcqIndexRel(pkgAcquire *Owner,const pkgSourceList::Item *Location); }; @@ -101,18 +118,47 @@ class pkgAcqArchive : public pkgAcquire::Item { protected: + // State information for the retry mechanism pkgCache::VerIterator Version; pkgAcquire::ItemDesc Desc; pkgSourceList *Sources; pkgRecords *Recs; string MD5; + string &StoreFilename; + pkgCache::VerFileIterator Vf; + unsigned int Retries; + + // Queue the next available file for download. + bool QueueNext(); public: + // Specialized action members + virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf); virtual void Done(string Message,unsigned long Size,string Md5Hash); + virtual string MD5Sum() {return MD5;}; + virtual string DescURI() {return Desc.URI;}; pkgAcqArchive(pkgAcquire *Owner,pkgSourceList *Sources, - pkgRecords *Recs,pkgCache::VerIterator const &Version); + pkgRecords *Recs,pkgCache::VerIterator const &Version, + string &StoreFilename); +}; + +// Fetch a generic file to the current directory +class pkgAcqFile : public pkgAcquire::Item +{ + pkgAcquire::ItemDesc Desc; + string MD5; + + public: + + // Specialized action members + virtual void Done(string Message,unsigned long Size,string Md5Hash); + virtual string MD5Sum() {return MD5;}; + virtual string DescURI() {return Desc.URI;}; + + pkgAcqFile(pkgAcquire *Owner,string URI,string MD5,unsigned long Size, + string Desc,string ShortDesc); }; #endif